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10 June, 19:42

Multiply. (j + 7) (j - 7)

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Answers (2)
  1. 10 June, 20:54
    0
    Esaey

    obviously a diference of 2 perfect suqres

    (a-b) (a+b) = a²-b²

    so

    (j+7) (j-7) = j²-7² or j²-49
  2. 10 June, 21:48
    0
    Your answer is j rase d power 2-49
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